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A uniform stick d = 1 m long with a total mass of 251 g is suspended vertically from a frictionless pivot at its top end. A wad of putty of mass 20 g is moving horizontally with speed v. It strikes and sticks to the stick at a distance 0.75 m from the pivot.What is the minimum speed of the putty such that the stick, with the putty stuck to it, will rise to the horizontal position?vmin= m/s
A thin, uniformly charged spherical shell has a potential of 533 V on its surface. Outside the sphere, at a radial distance of 24.0 cm from this surface, Calculate the radius of the sphere
A man on a railroad platform attempts to measure the length of a train car by walking the length of the train and keeping the length of his stride a constant 82 cm per step. Determine the length of the train car
Two waves with identical frequency but different amplitudes A1 = 6.0 cm and A2 = 3.0 cm, occupy the same region of space (are superimposed). What is the amplitude of the resulting wave in that case
If the mass of both weights is 175gm, the first mass is located 20 north of east, the second mass is located 20 south of east, and the transducer sensitivity is 0.5volts/Newton, how large a voltage do you expect to measure? Imagine the transducer ..
what is the max number of steps any worker should be allowed.
A meterstick moving at 0.888c relative to the Earth's surface approaches an observer at rest with respect to the Earth's surface. What is the meterstick's length as measured by the observer
"As a baseball is being caught, its speed goes from 30 to 0 m/s in about 0.005 s. Its mass is 0.145 kg. What is the baseball's acceleration in m/s2 and in g's
An airplane increases its speed from 100 m/s to 160 m/s, How much time does it take for the complete increase in speed
A square with sides of length 2m is perpendicular to a magnetic field of strength 10 T, is rotated by 60 degrees in the course of 4s. What is the induced emf in the square
Three unknown resistors are in a bin; let's call them red, green, and blue. When a Physicist connects the three resistors in series to a 30 volt source she measures 1A of current. what is the charging time constant
A skier of mass 120 kg starts from rest at the top of the ski slope of height 100 m, find the skier's speed when he reaches the bottom of the slope
The position function x(t) of a particle moving along an x axis is x = 4.0 - 4.5t2, At what positive time does the particle pass through the origin
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